commensalism

[kuh-men-suh-liz-uh m]

noun

Ecology. a type of relationship between two species of a plant, animal, fungus, etc., in which one lives with, on, or in another without damage to either.
Sociology. peaceful coexistence among individuals or groups having independent or different values or customs.

Origin of commensalism

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

It is a case of commensalism of which there are very numerous examples.
The Industries of Animals
Frdric Houssay
Commensalism: applied to this manner of living and eating together.
Explanation of Terms Used in Entomology
John. B. Smith
Mr. A. Agassiz has remarked to me another example of commensalism.
Animal Parasites and Messmates
P. J. Van Beneden
Such a state of close and permanent friendship is called "commensalism."
The History of the European Fauna
R. F. Scharff
Though no crab, perhaps, is truly parasitic, some live in relations of “commensalism” with other animals.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 6
Various

1870, from commensal + -ism.

commensalism in Medicine

(kə-mĕn′sə-lĭz′əm)

A symbiotic relationship in which one organism derives benefit and the other is unharmed.

commensalism in Science

[kə-mĕn′sə-lĭz′əm]

A symbiotic relationship between two organisms of different species in which one organism derives benefit while the other is unaffected. Examples of commensalism include epiphytic plants, which depend on a larger host plant for support but which do not derive any nourishment from it, and remoras, which attach themselves to sharks and feed on their leavings without appreciably hindering their hosts. Compare amensalism mutualism parasitism.